Number of primitive (=aperiodic) n-bead necklaces with colored beads of exactly 7 different colors.

A254079

Number of primitive (=aperiodic) n-bead necklaces with colored beads of exactly 7 different colors.

Terms

    a(0) =720a(1) =17640a(2) =258720a(3) =2963520a(4) =29317680a(5) =263506320a(6) =2215825920a(7) =17758540440a(8) =137337087888

External references